Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DLLSTXTAXTZ

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-214 2 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2021-11-08   
214-230 1 Waxahachie TX 624H ONVOY SPECTRUM, LLC 552   2025-01-03   
214-249 2 Prosper TX 624H ONVOY SPECTRUM, LLC 552   2024-05-31   
214-249 3 Prosper TX 624H ONVOY SPECTRUM, LLC 552   2024-05-31   
214-249 4 Prosper TX 624H ONVOY SPECTRUM, LLC 552   2024-05-31   
214-249 5 Prosper TX 624H ONVOY SPECTRUM, LLC 552   2024-05-31   
214-249 6 Prosper TX 624H ONVOY SPECTRUM, LLC 552   2024-05-31   
214-249 7 Prosper TX 624H ONVOY SPECTRUM, LLC 552   2024-06-24   
214-251 3 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2021-11-08   
214-286 9 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2021-11-08   
214-327 9 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-01-14   
214-342 3 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2021-11-08   
214-487 A Dallas TX 624H ONVOY SPECTRUM, LLC 552      
214-487 0 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-18   
214-487 1 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-18   
214-487 2 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-18   
214-487 3 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-18   
214-487 4 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-18   
214-487 5 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-18   
214-487 6 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-18   
214-487 7 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-18   
214-487 8 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-18   
214-487 9 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-18   
214-584 3 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-01-14   
214-637 3 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-01-14   
214-639 A Dallas TX 624H ONVOY SPECTRUM, LLC 552      
214-639 0 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-19   
214-639 1 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-19   
214-639 2 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-19   
214-639 3 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-19   
214-639 4 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-19   
214-639 5 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-19   
214-639 6 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-19   
214-639 7 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-19   
214-639 8 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-19   
214-639 9 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-06-19   
214-688 9 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-01-14   
214-889 0 Dallas TX 624H ONVOY SPECTRUM, LLC 552   2022-03-19   
214-896 A Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-896 0 Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-896 1 Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-896 2 Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-896 3 Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-896 4 Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-896 5 Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-896 6 Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-896 7 Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-896 8 Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-896 9 Allen TX 624H ONVOY SPECTRUM, LLC 552   2024-12-20   
214-898 A Celina TX 624H ONVOY SPECTRUM, LLC 552      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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